Troubleshooting the Fogatti RV Tankless Water Heater with E1 Code
Question:
My hot water runs out almost immediately after turning on. And a n E1 code sometimes appears. It’s brand new
asked by: MARY E
Expert Reply:
An E1 code on the Fogatti RV Tankless Water Heater, # LSB64FR, is indicating an ignition failure or accidental flame off during ignition. If you had this professionally installed, I suggest you return to the installer for troubleshooting and repair.
The most common causes are:
- Lack of gas in the tank. If there is not enough pressure then the Fogatti RV Tankless Water Heater struggles to operate. This will go for water pressure too.
- Faulty Igniter or faulty Igniter connections and if operating from battery bank for power source then you must have a proper state of charge.
- Improper distance between the Igniter and the Burner
- Accumulated dirt or obstruction between igniter and burner
First, confirm that gas has purged through the entire gas plumbing system by lighting the range and resetting the water heater a minimum of three times.
Second, confirm that the spark is occurring at the tips of the igniter. Visually inspect the igniter for obstructions or debris.
Third, smell for the scent of gas from the exhaust during the two trials for ignition.
Fourth, check the brown and black wires on the 8 pin wire connector at the bottom right side of the board to ensure integrity. Unplug the connector, gently
pull on the brown and black wires. Visually inspect the connector and plug it back in.
Fifth, check voltage between the brown and the black wires during the trial for ignition. You should have 12VDC.
Sixth, the output gas pressure of the gas valve can be measured at the test port on the right side of the board. There should be 1.5” WC on low heat and 7” WC on high heat. If there is no pressure, then the gas valve is not opening.
Product Page this Question was Asked From
Fogatti RV Tankless Water Heater - Gas - Automatic Pilot - 41,800 Btu - White
- RV Water Heaters
- Tankless Water Heater
- Gas
- 41800 Btu
- 14-3/8L x 15W x 15D Inch
- Fogatti
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